Sd Noname 172 Reservoir Report
Nearby: Weller No.1 Sd Noname 171
Last Updated: December 6, 2025
Sd Noname 172, located in Jackson, South Dakota, is a privately owned dam regulated by the South Dakota Department of Environment and Natural Resources.
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Summary
Built in 1955, this earth dam stands at a height of 13 feet and has a storage capacity of 85 acre-feet. It serves the primary purpose of water resource management on the TR-Bad River, with a maximum discharge capacity of 3500 cubic feet per second.
Managed by the Natural Resources Conservation Service, Sd Noname 172 has a low hazard potential and is currently rated as "Not Rated" for its condition assessment. The dam has not been inspected recently and lacks emergency action plans and inundation maps, raising concerns about its risk management measures. Despite these challenges, the dam continues to play a crucial role in regulating water flow and storage in the region.
As climate change intensifies and water resources become increasingly valuable, ensuring the safety and efficiency of dams like Sd Noname 172 is essential for sustainable water management. With proper monitoring, maintenance, and emergency preparedness, this dam can continue to contribute to the resilience of the local water supply and ecosystem in the face of changing climate patterns.
Year Completed |
1955 |
Dam Length |
480 |
Dam Height |
13 |
River Or Stream |
TR-BAD RIVER |
Primary Dam Type |
Earth |
Hydraulic Height |
13 |
Nid Storage |
85 |
Hazard Potential |
Low |
Nid Height |
13 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Dam Data Reference
Condition Assessment
SatisfactoryNo existing or potential dam safety deficiencies are recognized. Acceptable performance is expected under all loading conditions (static, hydrologic, seismic) in accordance with the minimum applicable state or federal regulatory criteria or tolerable risk guidelines.
Fair
No existing dam safety deficiencies are recognized for normal operating conditions. Rare or extreme hydrologic and/or seismic events may result in a dam safety deficiency. Risk may be in the range to take further action. Note: Rare or extreme event is defined by the regulatory agency based on their minimum
Poor A dam safety deficiency is recognized for normal operating conditions which may realistically occur. Remedial action is necessary. POOR may also be used when uncertainties exist as to critical analysis parameters which identify a potential dam safety deficiency. Investigations and studies are necessary.
Unsatisfactory
A dam safety deficiency is recognized that requires immediate or emergency remedial action for problem resolution.
Not Rated
The dam has not been inspected, is not under state or federal jurisdiction, or has been inspected but, for whatever reason, has not been rated.
Not Available
Dams for which the condition assessment is restricted to approved government users.
Hazard Potential Classification
HighDams assigned the high hazard potential classification are those where failure or mis-operation will probably cause loss of human life.
Significant
Dams assigned the significant hazard potential classification are those dams where failure or mis-operation results in no probable loss of human life but can cause economic loss, environment damage, disruption of lifeline facilities, or impact other concerns. Significant hazard potential classification dams are often located in predominantly rural or agricultural areas but could be in areas with population and significant infrastructure.
Low
Dams assigned the low hazard potential classification are those where failure or mis-operation results in no probable loss of human life and low economic and/or environmental losses. Losses are principally limited to the owner's property.
Undetermined
Dams for which a downstream hazard potential has not been designated or is not provided.
Not Available
Dams for which the downstream hazard potential is restricted to approved government users.
Sd Noname 172